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  1. Which of the following best describes subnetting in cloud computing?
    a. Dividing a network into smaller segments
    b. Combining multiple networks into one
    c. Disabling IP routing
    d. Increasing broadcast domain size
    Answer: a. Dividing a network into smaller segmentsscribd+2
  2. What is a major benefit of subnetting for cloud-hosted environments?
    a. Enhanced broadcast traffic
    b. IP address conservation
    c. Reduced network segmentation
    d. Disabled routing protocols
    Answer: b. IP address conservationgeeksforgeeks+2
  3. In a Class C network (192.168.1.0/24) split into 4 subnets, what will be the new subnet mask?
    a. /26 (255.255.255.192)
    b. /25 (255.255.255.128)
    c. /27 (255.255.255.224)
    d. /28 (255.255.255.240)
    Answer: a. /26 (255.255.255.192)webasha+1
  4. Which address is used for identifying all hosts in a subnet?
    a. Network address
    b. Broadcast address
    c. Gateway address
    d. Host address
    Answer: b. Broadcast addresssanfoundry+1
  5. Subnetting primarily helps in which of the following?
    a. Increasing network congestion
    b. Limiting broadcast domains
    c. Removing IP addresses
    d. Increasing IP fragmentation
    Answer: b. Limiting broadcast domainsstudy-ccna+2
  6. In cloud networking, what does VPC subnetting enable?
    a. Grouping unrelated resources randomly
    b. Segregating resources by function or security
    c. Disabling access control lists
    d. Expanding the root domain
    Answer: b. Segregating resources by function or securityexam-labs+1
  7. Which subnet mask allows exactly 30 usable host addresses?
    a. 255.255.255.240
    b. 255.255.255.248
    c. 255.255.255.252
    d. 255.255.255.224
    Answer: a. 255.255.255.240 (/28)ipcisco+1
  8. Which cloud networking service often requires dynamic subnet allocation?
    a. CDN edge cache
    b. Network Function Virtualization (NFV)
    c. Physical switch provisioning
    d. VPN termination
    Answer: b. Network Function Virtualization (NFV)exam-labs
  9. What is the primary reason for creating multiple subnets in a cloud VPC?
    a. To use up all available IPs
    b. To facilitate resource isolation and control
    c. To decrease network scalability
    d. To avoid VLAN use
    Answer: b. To facilitate resource isolation and controlcloud.in28minutes+1
  10. What calculation provides the number of usable IPs per subnet?
    a. 2^n
    b. 2^n + 2
    c. 2^n – 2
    d. n^2
    Answer: c. 2^n – 2dev+2
  11. What is the main difference between Classful and Classless (CIDR) subnetting?
    a. Classful is obsolete and doesn’t support variable masks
    b. CIDR allows flexible subnet sizes
    c. Both require fixed mask lengths
    d. Classless cannot be used in cloud
    Answer: b. CIDR allows flexible subnet sizesnitizsharma+2
  12. Why is subnetting considered important for cloud network security?
    a. It enables VLAN tagging only
    b. It isolates sensitive resources
    c. It disables firewall rules
    d. It increases IP address reuse
    Answer: b. It isolates sensitive resourcesfiveable+2
  13. How many usable addresses are in a /29 subnet?
    a. 2
    b. 6
    c. 8
    d. 14
    Answer: b. 6webasha+1
  14. Which cloud configuration step follows subnet planning?
    a. Updating network documentation
    b. Assigning global DNS
    c. Disabling routing tables
    d. Avoiding NAT setup
    Answer: a. Updating network documentationfiveable+1
  15. Given an IP of 10.1.1.0/27, how many hosts can this subnet support?
    a. 30
    b. 62
    c. 14
    d. 126
    Answer: a. 30ipcisco+1
  16. In an AWS VPC, why would you create a public and a private subnet?
    a. To maximize latency
    b. To separate resources exposed to the internet from isolated ones
    c. To disable routing for EC2
    d. To duplicate IP allocation
    Answer: b. To separate resources exposed to the internet from isolated onescloud.in28minutes
  17. What is the valid subnet mask for a network needing 500 hosts?
    a. /23
    b. /24
    c. /25
    d. /26
    Answer: a. /23 (255.255.254.0)sanfoundry+2
  18. What is the default subnet mask for a Class B IPv4 address?
    a. 255.255.0.0
    b. 255.255.255.0
    c. 255.0.0.0
    d. 255.255.255.128
    Answer: a. 255.255.0.0sanfoundry+1
  19. Which technology enhances subnet flexibility in cloud computing?
    a. Static IP mapping
    b. VLSM (Variable Length Subnet Masking)
    c. Broadcast storm management
    d. ARP table sorting
    Answer: b. VLSM (Variable Length Subnet Masking)nitizsharma+2
  20. If a VPC subnet has a mask of /20, which is the total IP count?
    a. 256
    b. 4096
    c. 1024
    d. 512
    Answer: c. 4096talentbattle+2
  21. What is a ‘broadcast domain’ in subnetting?
    a. All hosts sharing the same router
    b. All hosts within the same subnet that receive broadcast
    c. All routers within an organization
    d. All hosts grouped by VLAN ID
    Answer: b. All hosts within the same subnet that receive broadcastgeeksforgeeks+1
  22. Which step is not part of cloud subnetting implementation?
    a. Plan subnet sizes
    b. Configure device IPs
    c. Avoid network documentation
    d. Monitor address utilization
    Answer: c. Avoid network documentationdev+1
  23. Which aspect of subnetting optimizes cloud resource allocation?
    a. Oversubscription of IPs per subnet
    b. Sizing subnets per workload demand
    c. Locking subnet configuration to hardware
    d. Ignoring address utilization
    Answer: b. Sizing subnets per workload demandfiveable+1
  24. Which address type does not exist in a subnet?
    a. Network
    b. Broadcast
    c. Gateway
    d. Loopback
    Answer: d. Loopbackstudy-ccna+1
  25. How many bits are needed to create 8 subnets?
    a. 1
    b. 2
    c. 3
    d. 4
    Answer: c. 3geeksforgeeks+1
  26. What is the first usable IP in the subnet 192.168.10.16/28?
    a. 192.168.10.17
    b. 192.168.10.16
    c. 192.168.10.31
    d. 192.168.10.15
    Answer: a. 192.168.10.17ipcisco+1
  27. Which subnet mask offers maximum host addresses in IPv4?
    a. /8
    b. /16
    c. /32
    d. /24
    Answer: a. /8 (Class A)sanfoundry+1
  28. Which technology is essential for cloud-based dynamic subnet provisioning?
    a. SDN (Software Defined Networking)
    b. NAT overloading
    c. ARP flooding
    d. MAC address spoofing
    Answer: a. SDN (Software Defined Networking)exam-labs
  29. What does the acronym ‘VPC’ stand for in cloud networking?
    a. Virtual Public Connection
    b. Virtual Private Cloud
    c. Variable Protocol Channel
    d. Versioned Packet Carrier
    Answer: b. Virtual Private Cloudcloud.in28minutes+1
  30. What is the CIDR notation equivalent to a subnet mask of 255.255.255.240?
    a. /27
    b. /28
    c. /29
    d. /30
    Answer: b. /28webasha+1
  31. Subnetting in cloud is most useful for:
    a. Decreasing scalability
    b. Reducing IP waste
    c. Ignoring resource isolation
    d. Increasing broadcast traffic
    Answer: b. Reducing IP wastednsstuff+2
  32. In subnetting, which defines the number of subnetworks available?
    a. Total IP range divided by host count
    b. Number of bits borrowed from the host part
    c. Broadcast address count
    d. Gateway assignments
    Answer: b. Number of bits borrowed from the host partdev+1
  33. Which IP represents the broadcast address for a /26 subnet starting at 192.168.1.0?
    a. 192.168.1.63
    b. 192.168.1.64
    c. 192.168.1.1
    d. 192.168.1.62
    Answer: a. 192.168.1.63webasha+2
  34. Why is monitoring IP address utilization important in cloud subnetting?
    a. To avoid address exhaustion and scale efficiently
    b. To increase IP fragmentation
    c. To reduce routing performance
    d. To hide network topology
    Answer: a. To avoid address exhaustion and scale efficientlyfiveable+1
  35. Which tool is commonly used for IP address/subnet visualization?
    a. ARP cache exporter
    b. Network diagrams and visualizers
    c. SMTP relay tool
    d. DNSSEC auditor
    Answer: b. Network diagrams and visualizersdev+1
  36. Which statement is correct regarding private cloud subnetting?
    a. It enables public internet exposure of all VMs
    b. It segments resources for isolation and compliance
    c. It prevents VMs from communicating
    d. It disables routing protocol use
    Answer: b. It segments resources for isolation and complianceexam-labs+1
  37. Which is NOT a best practice when planning cloud subnets?
    a. Document all subnets and IP allocations
    b. Use hierarchical structure
    c. Overallocate IPs for future
    d. Ignore growth planning
    Answer: d. Ignore growth planningfiveable
  38. What is the minimum subnet mask length supported in IPv4?
    a. /1
    b. /8
    c. /0
    d. /32
    Answer: b. /8study-ccna+1
  39. What is the primary function of subnetting for cloud service providers?
    a. Enabling easier IP management and scalability
    b. Reducing address space flexibility
    c. Disabling VPC peering
    d. Ignoring traffic segmentation
    Answer: a. Enabling easier IP management and scalabilitycloud.in28minutes+1
  40. What is the network address of 192.168.100.64/28?
    a. 192.168.100.64
    b. 192.168.100.80
    c. 192.168.100.62
    d. 192.168.100.96
    Answer: a. 192.168.100.64ipcisco+1
  41. Why is subnetting crucial for multi-tenant cloud architectures?
    a. It ensures resource isolation for each tenant
    b. It merges all tenant networks into one
    c. It disables routing between tenants
    d. It limits tenant scalability
    Answer: a. It ensures resource isolation for each tenantexam-labs+1
  42. What is the valid range of host IPs in 172.16.10.128/25?
    a. 172.16.10.129 – 172.16.10.254
    b. 172.16.10.128 – 172.16.10.255
    c. 172.16.10.130 – 172.16.10.254
    d. 172.16.10.129 – 172.16.10.255
    Answer: a. 172.16.10.129 – 172.16.10.254sanfoundry+1
  43. Which protocol most benefits from subnetting in cloud environments?
    a. DHCP
    b. FTP
    c. HTTP
    d. Telnet
    Answer: a. DHCPdnsstuff+1
  44. In subnetting, what does a gateway typically do?
    a. Routes traffic between subnets
    b. Blocks all external communication
    c. Assigns IPs randomly
    d. Disables ARP requests
    Answer: a. Routes traffic between subnetsgeeksforgeeks+1
  45. What is the subnet mask in binary for /27?
    a. 11111111.11111111.11111111.11100000
    b. 11111111.11111111.11111111.11111100
    c. 11111111.11111111.11111111.11111000
    d. 11111111.11111111.11111111.11000000
    Answer: c. 11111111.11111111.11111111.11111000webasha+1
  46. Which type of subnet is used to host publicly accessible resources?
    a. Private subnet
    b. DMZ subnet / public subnet
    c. Management subnet
    d. Secure subnet
    Answer: b. DMZ subnet / public subnetcloud.in28minutes+1
  47. Which statement about the broadcast address is true?
    a. It is used for sending messages to all devices in the subnet
    b. It is used only by external routers
    c. It identifies the subnet gateway
    d. It disables all host communication
    Answer: a. It is used for sending messages to all devices in the subnetgeeksforgeeks+1
  48. Subnetting helps cloud architects achieve which goal?
    a. Increase network complexity unnecessarily
    b. Simplify management and scale resources
    c. Disable workload separation
    d. Ignore compliance requirements
    Answer: b. Simplify management and scale resourcesdnsstuff+2
  49. Which factor does NOT affect subnet sizing in cloud design?
    a. Expected growth
    b. Number of devices per subnet
    c. IP address utilization rate
    d. MAC address length
    Answer: d. MAC address lengthdev+1
  50. Which outcome is expected from successful cloud subnetting implementation?
    a. Resource isolation, efficient IP use, scalable network
    b. Increased broadcast storms, static configuration
    c. Network lockdown, manual IP assignment
    d. Decreased routing flexibility, fixed allocations
    Answer: a. Resource isolation, efficient IP use, scalable networkgeeksforgeeks+2

 

  1. https://www.scribd.com/document/859365488/Subnetting-MCQs
  2. https://www.geeksforgeeks.org/computer-networks/introduction-to-subnetting/
  3. https://fiveable.me/cloud-computing-architecture/unit-4/subnets-ip-addressing/study-guide/C5NjY64qrQAeKiCn
  4. https://www.dnsstuff.com/subnet-ip-subnetting-guide
  5. https://www.webasha.com/blog/subnetting-explained-the-complete-guide-to-ip-addressing-and-network-segmentation
  6. https://dev.to/nayetwolf/subnetting-basics-guide-3d6m
  7. https://www.sanfoundry.com/computer-networks-questions-answers-analyzing-subnet-mask/
  8. https://study-ccna.com/subnetting-explained/
  9. https://www.exam-labs.com/blog/understanding-network-classes-and-their-role-in-subnetting-the-foundation-of-efficient-networking
  10. https://cloud.in28minutes.com/aws-certification-virtual-private-cloud-subnet-vpc
  11. https://ipcisco.com/lesson/ip-subnetting-and-subnetting-examples/
  12. https://nitizsharma.com/subnetting-for-ccna-candidates/
  13. https://www.sanfoundry.com/network-security-questions-answers-designing-subnets-i/
  14. https://talentbattle.in/company-specific-previous-year-questions/accenture-network-security-cloud-computing-previous-year-questions
  15. https://www.examveda.com/networking/practice-mcq-question-on-subnetting/
  16. https://ipcisco.com/subnetting-quiz-1-n485hju/
  17. https://www.flackbox.com/subnetting-practice-questions
  18. https://www.9tut.com/ip-address-subnetting-quiz/comment-page-1
  19. https://www.techtarget.com/searchnetworking/tip/How-to-subnet-in-cloud-network-environments
  20. https://www.howengineeringworks.com/computer-networks-mcqs-part-8/

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